Search found 185 matches

by johnd
Wed Aug 22, 2018 2:31 pm
Forum: Vespa Tech
Topic: polini 187 port timings
Replies: 7
Views: 1204

Re: polini 187 port timings

I should add that i'm getting these aproximate figures using a theoretical piston to deck height of 0.5mm as i've not put the motor together just yet .It will also be port matched and blue printed.
by johnd
Wed Aug 22, 2018 2:26 pm
Forum: Vespa Tech
Topic: polini 187 port timings
Replies: 7
Views: 1204

polini 187 port timings

Ive not built a PX 125 engine for my own use since the late eighties, but since selling my Lambrettas a few years ago and now trying to get back into scooters ive found myself priced out of the market as far as Innocenti stuff goes so ive been reduced to tuning up an LML125 rotary motor for my lates...
by johnd
Tue Aug 14, 2018 3:03 pm
Forum: Vespa Tech
Topic: Cylinder advice needed
Replies: 6
Views: 867

Re: Cylinder advice needed

DR177 will bolt straight on to a standard 125 and doesnt really require the casing to be ported either, so if your crank and the rest of your engine is ok a DR is plug and play. You will need to upjet your carb, and a 22 tooth clutch sprocket will help you make the most of the extra "grunt"* A stand...
by johnd
Sat Apr 08, 2017 2:55 pm
Forum: Show us yer Scoots!!
Topic: Bajaj project "monkey on my back"
Replies: 10
Views: 3514

Re: Bajaj project "monkey on my back"

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Sourced a T5 engine! Thinking malossi, but which pipe for a fat bloke?
by johnd
Tue Apr 04, 2017 6:00 pm
Forum: Show us yer Scoots!!
Topic: Bajaj project "monkey on my back"
Replies: 10
Views: 3514

Re: Bajaj project "monkey on my back"

Mudguard modified to clear the shock.
Not pretty, but neither is the rider.
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by johnd
Sat Mar 25, 2017 2:07 pm
Forum: Show us yer Scoots!!
Topic: Bajaj project "monkey on my back"
Replies: 10
Views: 3514

Re: Bajaj project "monkey on my back"

Fitted a YSS PK shock to the modified PX fork. Next job is making the Bajaj mudguard fit. Might have to cut and scallop the guard where the top of the shock is. http://i33.photobucket.com/albums/d84/johndregg/Mobile%20Uploads/2017-03/0C86B595-455E-42B5-913A-BEC8C7DEB6DB.jpg http://i33.photobucket.co...
by johnd
Mon Mar 20, 2017 1:37 pm
Forum: General Scooter Chat
Topic: SIP Performer Tyres?
Replies: 24
Views: 3659

Re: SIP Performer Tyres?

Made by Vee rubber always put me off. But I've never fully road tested a set.
by johnd
Mon Mar 20, 2017 11:55 am
Forum: Show us yer Scoots!!
Topic: Bajaj project "monkey on my back"
Replies: 10
Views: 3514

Re: Bajaj project "monkey on my back"

Shortened a set of PX forks for it. First of the upgrades.
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by johnd
Thu Mar 16, 2017 8:24 am
Forum: Lambretta Tech
Topic: SIL crank
Replies: 10
Views: 1773

Re: SIL crank

Wow! I know this batch of six engines and the other five are still running fine as far as I know. Looks like this was the "bad" one. At least the casing escaped damage which is amazing in itself. Throw a nice strong crank in there and put it down to experience!
by johnd
Wed Mar 15, 2017 2:03 pm
Forum: Vespa Tech
Topic: Autolube Removal Overkill!
Replies: 2
Views: 865

Re: Autolube Removal Overkill!

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